Stacking lunch box



FIG. 1 is a top and side perspective view of a stacking lunch box, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a typical side elevational view thereof;

FIG. 5 is an exploded elevational view thereof; and,

FIG. 6 is an enlarged cross-sectional view thereof on line 6--6 in FIG. 2. 

The ornamental design for a stacking lunch box, as shown and described. 